From publisher blurb: Ectotectonics is a 64 page, fully illustrated module for Slipgate Chokepoint, the 1990s first-person shooter hack of the Stay Frosty RPG. The Rangers must journey through the slipgate to discover why waves of virulent ectoplasm have engulfed a friendly world-base in another dimension - what caused it, who betrayed the facility, and what the base now incubates... The book contains: • A full adventure for 3 to 4 Rangers averaging 3rd level! • 11 hand-drawn arena maps! • 11 new enemies! • A top secret experimental and unethical weapon! • All the ectoplasm you can shake your cestus at! And a veritable gutload more...